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MediaPlayer: Emulate duration attribute for BUrl playlists

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* Make the Playlist window working again by caching
the duration value.
This commit is contained in:
Dario Casalinuovo 2016-11-02 19:38:57 +01:00
parent 1649750c5d
commit ce8fd10683
2 changed files with 14 additions and 6 deletions
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19
src/apps/mediaplayer/playlist/UrlPlaylistItem.cpp
View File

@ -14,7 +14,8 @@
UrlPlaylistItem::UrlPlaylistItem(BUrl url)
:
fUrl(url)
fUrl(url),
fDuration(-1)
{
}
@ -105,6 +106,10 @@ UrlPlaylistItem::SetAttribute(const Attribute& attribute, const int64& value)
status_t
UrlPlaylistItem::GetAttribute(const Attribute& attribute, int64& value) const
{
if (attribute == ATTR_INT64_DURATION && fDuration >= 0) {
value = fDuration;
return B_OK;
}
return B_NOT_SUPPORTED;
}
@ -140,12 +145,14 @@ UrlPlaylistItem::RestoreFromTrash()
bigtime_t
UrlPlaylistItem::_CalculateDuration()
{
BMediaFile mediaFile(fUrl);
if (fDuration < 0) {
BMediaFile mediaFile(fUrl);
if (mediaFile.InitCheck() != B_OK || mediaFile.CountTracks() < 1)
return 0;
return mediaFile.TrackAt(0)->Duration();
if (mediaFile.InitCheck() != B_OK || mediaFile.CountTracks() < 1)
return 0;
fDuration = mediaFile.TrackAt(0)->Duration();
}
return fDuration;
}

1
src/apps/mediaplayer/playlist/UrlPlaylistItem.h
View File

@ -54,6 +54,7 @@ protected:
private:
BUrl fUrl;
bigtime_t fDuration;
};
#endif